Breath alcohol-measuring device, process and system

a technology of breath alcohol and measuring device, applied in the field of process and a measuring device for breath alcohol, can solve problems such as the risk of manipulation

Inactive Publication Date: 2009-10-20
DRAGERWERK AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014]The essential advantage of this process and this device and system is that the risk of manipulation by externally influencing the measurement process is practically ruled out.

Problems solved by technology

The risk of manipulation is a problem in the case of the prior-art combinations of vehicle immobilizers and breath alcohol-measuring devices because the breath samples for the breath alcohol measurement may be given by persons other than the authorized driver.

Method used

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  • Breath alcohol-measuring device, process and system
  • Breath alcohol-measuring device, process and system

Examples

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Embodiment Construction

[0018]Referring to the drawings in particular, the breath alcohol-measuring device / system of the invention is shown in FIG. 1. The breath alcohol-measuring device / system includes a breath alcohol-measuring device 1, a vehicle immobilizer (system shutoff / lock) 2, an evaluating and control unit 3, as well as a pulse oscillometer 4. The breath alcohol-measuring device 1 and the pulse oscillometer 4 may be embodied in one assembly unit generally designated 10. A test subject is connected by a breathing tube to the breath alcohol-measuring device 1 and to the pulse oscillometer 4. The pulse oscillometer 4 includes an external pulse generator 5 (generating pulses with a loudspeaker membrane) as well as a pressure sensor 6 and a flow sensor 7. The pressure sensor 6 and the flow sensor 7 are operatively (electrically, wirelessly, etc.) connected to the control unit 3. The breath alcohol measuring device 1 is operatively (electrically, wirelessly, etc.) connected to the control unit 3. The c...

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Abstract

A device, a system and a process is provided for the use of a breath alcohol-measuring device (1) with improved personal identification. The breath alcohol-measuring device (1) is combined with a pulse oscillometer (4) such that the initially measured values of the complex airway resistance of a test subject are stored in an evaluating and control unit (3) connected to the breath alcohol-measuring device (1) and to the pulse oscillometer (4) and compared to subsequently measured values of a test subject. A breath alcohol measurement is released and / or a vehicle immobilizer (2) is actuated in case of agreement of stored values with subsequently measured values.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of priority under 35 U.S.C. § 119 of German Patent Application DE 10 2006 023 837.0 filed May 20, 2006, the entire contents of which are incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention pertains to a process and a device for the use of a breath alcohol-measuring device.BACKGROUND OF THE INVENTION[0003]Breath alcohol-measuring devices are known to be used in the area of traffic checks by the police or also to test employees within companies in order to check alcohol abuse and especially to eliminate work-related or industrial accidents due to the influence of alcohol. The principle of measurement has proved itself and is based, in general, on an electrochemical measurement or on the measurement of the infrared optical absorption.[0004]In addition, there have been so-called Interlock® devices for some years now, i.e., vehicle immobilizers especially in motor vehicles, whi...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G01N1/22A61B5/085A61B5/097
CPCG01N33/4972G01N35/00722G01N2001/2244A61B5/085B60K28/063
Inventor SCHLICHTE, MLADEN
Owner DRAGERWERK AG
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